Improve fuzz counts

fuzzer/go/data/report.go

 package data
 
 import (
         "bytes"
         "encoding/gob"
         "fmt"
         "sort"
         "sync"
 
         "github.com/skia-dev/glog"
@@ skipping 137 matching lines @@
         }
         return nil, fmt.Errorf("Fuzz with name %q not found", name)
 }
 
 // filterByFuzzName filters out all functions that do not contain a fuzz with the given
 // name and returns true.  If such a fuzz does not exist, it returns false.
 func (file *FileFuzzReport) filterByFuzzName(name string) bool {
         for _, function := range file.Functions {
                 if function.filterByFuzzName(name) {
                         file.Functions = []FunctionFuzzReport{function}
+                        file.Count = 1
                         return true
                 }
         }
         return false
 }
 
 // filterByFuzzName filters out all lines that do not contain a fuzz with the given
 // name and returns true.  If such a fuzz does not exist, it returns false.
 func (function *FunctionFuzzReport) filterByFuzzName(name string) bool {
         for _, line := range function.LineNumbers {
                 if line.filterByFuzzName(name) {
                         function.LineNumbers = []LineFuzzReport{line}
+                        function.Count = 1
                         return true
                 }
         }
         return false
 }
 
 // filterByFuzzName filters out all fuzzes that do not have the given
 // name and returns true.  If such a fuzz does not exist, it returns false.
 func (line *LineFuzzReport) filterByFuzzName(name string) bool {
         if b, hasIt := line.Details.containsName(name); hasIt {
                 line.Details = SortedFuzzReports{b}
+                line.Count = 1
                 return true
         }
         return false
 }
 
 func NewFuzzFound(category string, b FuzzReport) {
         // set the category if it has not already been set
         b.FuzzCategory = category
         stagingData.addFuzzReport(category, b)
 }
@@ skipping 265 matching lines @@
 }
 
 // containsName returns the FuzzReport and true if a fuzz with the given name is in the list.
 func (p SortedFuzzReports) containsName(fuzzName string) (FuzzReport, bool) {
         i := sort.Search(len(p), func(i int) bool { return p[i].FuzzName >= fuzzName })
         if i < len(p) && p[i].FuzzName == fuzzName {
                 return p[i], true
         }
         return FuzzReport{}, false
 }